A century-old network of freight tunnels underneath the city's historic business district.

A monument to the art of slicing people open.

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

No one knows how many bodies are in this vault in a Chicago public park.

A Museum of Holography frozen in 1974.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

A bloodstain from "the wound of the transverberation of the heart."

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A Chicago Movie Palace Lost to Time.

Theater has had many different incarnations but has survived the ravages of time.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

This shop for all your super spy needs hides an educational secret.

A tribute to one granddaughter's old apartment which now represents the whims of each visitor.

A European-style bath house in Chicago.

Beloved bar home to musicians of all eras and reputations.

"No writer ever gave more to a city and got back less.”

Where Cusack's record store from the film "High Fidelity" was located.

Orthodox church partially financed by Tsar Nicolas II.

One of the last functioning antique elevators in Chicago.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

Former bath house turns gastropub.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

An enormous park-like oasis, full of famous Chicagoans' graves.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.